|
| US3969777 | 24 Feb 1975 | 20 Jul 1976 | | Overflow-siphoning device for swimming pools and the like |
| US4051562 | 20 Oct 1976 | 4 Oct 1977 | | Tile construction for a swimming pool |
| US4121307 | 4 Feb 1977 | 24 Oct 1978 | Patterson Enterprises | Positive flow swimming pool gutter |
| US4219894 | 3 Oct 1977 | 2 Sep 1980 | | Tile construction for a swimming pool |
| US4661247 | 6 Feb 1986 | 28 Abr 1987 | Fox Industries Incorporated | Modular operations center for in-ground swimming pool |
| US4705629 | 4 Feb 1987 | 10 Nov 1987 | Wexco Incorporated | Modular operations center for in-ground swimming pool |
| US5114274 | 20 Mar 1991 | 19 May 1992 | Enviroland, Inc. | Sewage tank system and method of construction |
| US5489165 | 30 Jun 1993 | 6 Feb 1996 | | Earth retainer beam module and method |
| US6381768 | 18 Oct 2000 | 7 May 2002 | | In-ground spa system and method for installation of same |
| US6412123 | 1 Nov 2000 | 2 Jul 2002 | Pleasure Time Products (Hong Kong) Limited | Portable spa |
| US7797770 | 12 Abr 2007 | 21 Sep 2010 | Ideal Time Consultants. Limited | Portable spa |
| US7818825 | 27 Abr 2006 | 26 Oct 2010 | Ideal Time Consultants Limited | Portable spa |
| US7971286 | 7 Mar 2008 | 5 Jul 2011 | Fox Pool Corporation | Swimming pool with bench seating module |
| US8095998 | 30 Ene 2007 | 17 Ene 2012 | Ideal Time Consultants Limited | Portable spa |
| US8108954 | 20 Sep 2010 | 7 Feb 2012 | Ideal Time Consultants Limited | Portable spa |
| USD316069 | 14 Sep 1988 | 9 Abr 1991 | | Trailer hitch cover |